Below is a list of Dallas-Fort Worth area public high schools ranked by the average ACT score for each school's Class of 2015.
Class of 2016 list has been posted here: 2016-2017 ACT scores
An individual score of 24 is in the top 25% of ACT scores. The highest score on the ACT is a 36.
The ACT is an optional standardized test high school students take as part of their college application process.
Average School - School (District/ISD or charter)
29.5 - Talented & Gifted "TAG" magnet (Dallas)
28.2 - Science & Engineering "SEM" magnet (Dallas)
27.4 - Highland Park (Highland Park)
26.6 - Southlake Carroll (Carroll)
26.6 - Plano West (Plano)
26.2 - Booker T. Washington Arts magnet (Dallas)
25.9 - Flower Mound (Lewisville)
25.8 - North Hills (Uplift charter)
25.7 - Westlake (charter)
25.4 - Plano Senior (Plano)
25.3 - Lovejoy (Lovejoy)
25.3 - FW Academy of Fine Arts (charter)
25.1 - Grapevine (Grapevine-Colleyville)
25.1 - Liberty (Frisco)
25.1 - Plano East (Plano)
24.8 - Marcus (Lewisville)
24.7 - Centennial (Frisco)
24.6 - Colleyville Heritage (Grapevine-Colleyville)
24.5 - Argyle (Argyle)
24.4 - Waxahachie Global (Waxahachie)
24.3 - Allen (Allen)
24.3 - Hebron (Lewisville)
24.3 - Keller (Keller)
24.2 - Boyd (McKinney)
24.2 - Frisco (Frisco)
24.2 - Wakeland (Frisco)
24.0 - Prosper (Prosper)
23.9 - Coppell (Coppell)
23.6 - Sunnyvale (Sunnyvale)
23.4 - Rangel girls-only school (Dallas)
23.4 - Richland Collegiate (charter)
23.2 - McKinney (McKinney)
23.1 - Martin (Arlington)
23.1 - Rockwall (Rockwall)
23.0 - Early College (Carrollton-Farmers Branch)
23.0 - Heritage (Frisco)
22.8 - LD Bell (Hurst Euless Bedford "HEB")
22.8 - Paschal (Fort Worth)
22.8 - Pottsboro (Pottsboro)
22.8 - Rockwall Heath (Rockwall)
22.8 - Texas Academy of Biomedical Sciences (Fort Worth)
22.7 - Garland (Garland)
22.6 - McKinney North (McKinney)
22.5 - Central (Keller)
22.5 - Lake Dallas (Lake Dallas)
22.4 - Howe (Howe)
22.4 - Mansfield (Mansfield)
22.4 - Melissa (Melissa)
22.4 - Timber Creek (Keller)
22.3 - Anna (Anna)
22.3 - Lone Star (Frisco)
22.3 - Midlothian (Midlothian)
22.2 - Burleson Centennial (Burleson)
22.2 - Creekview (Carrollton-Farmers Branch)
22.2 - Cedar Hill Collegiate (Cedar Hill)
22.2 - Denison (Denison)
22.2 - JJ Pearce (Richardson)
22.2 - Wylie (Wylie)
22.1 - Burleson (Burleson)
22.1 - Newman Smith (Carrollton-Farmers Branch)
22.1 - Van Alstyne (Van Alstyne)
21.9 - Granbury (Granbury)
21.9 - Guyer (Denton)
21.8 - Obama boys-only school (Dallas)
21.8 - Waxahachie (Waxahachie)
21.7 - Celina (Celina)
21.6 - Trinity (Hurst Euless Bedford "HEB")
21.6 - Wylie East (Wylie)
21.5 - Legacy (Mansfield)
21.5 - New Tech (Coppell)
21.4 - Arlington Heights (Fort Worth)
21.3 - Frontier (Mansfield)
21.3 - Ryan (Denton)
21.2 - Byron Nelson (Northwest)
21.2 - Forney (Forney)
21.2 - Steele Academy (Northwest)
21.0 - Health magnet (Dallas)
21.0 - Lamar (Arlington)
21.0 - Rowlett (Garland)
20.9 - Denton (Denton)
20.9 - Lassiter Early College (Dallas)
20.9 - Summit (Mansfield)
20.8 - Arlington (Arlington)
20.8 - Crandall (Crandall)
20.8 - The Colony (Lewisville)
20.7 - Royse City (Royse City)
20.7 - Sachse (Garland)
20.6 - Texas State Average
20.5 - Fossil Ridge (Keller)
20.5 - Sherman (Sherman)
20.4 - Greenville (Greenville)
20.4 - Lake Ridge (Mansfield)
20.4 - Naaman Forest (Garland)
20.3 - Dubiski Career (Grand Prairie)
20.3 - Judge Barefoot Sanders Law magnet (Dallas)
20.3 - North Garland (Garland)
20.2 - Little Elm (Little Elm)
20.2 - Poteet (Mesquite)
20.2 - Quinlan Ford (Quinlan)
20.2 - Richardson (Richardson)
20.0 - Business magnet (Dallas)
20.0 - Red Oak (Red Oak)
19.9 - Northwest (Northwest)
19.9 - Ranchview (Carrollton-Farmers Branch)
19.9 - Sorrell Education magnet (Dallas)
19.8 - Garza Early College(Dallas)
19.8 - Lewisville (Lewisville)
19.8 - Southwest (Fort Worth)
19.5 - Lake Highlands (Richardson)
19.5 - RL Turner (Carrollton-Farmers Branch)
19.5 - Singley Academy (Irving)
19.5 - Timberview (Mansfield)
19.4 - South Grand Prairie (Grand Prairie)
19.3 - Lakeview Centennial (Garland)
19.3 - Princeton (Princeton)
19.2 - Ennis (Ennis)
19.1 - Horn (Mesquite)
18.8 - Berkner (Richardson)
18.8 - North Forney (Forney)
18.8 - Western Hills (Fort Worth)
18.5 - Ferris (Ferris)
18.4 - Bowie (Arlington)
18.4 - Mesquite (Mesquite)
18.4 - North Mesquite (Mesquite)
18.3 - Seguin (Arlington)
18.3 - Terrell (Terrell)
18.3 - Trimble Tech (Fort Worth)
18.2 - Duncanville (Duncanville)
18.2 - Woodrow Wilson (Dallas)
18.0 - Nimitz (Irving)
17.9 - Carter-Riverside (Fort Worth)
17.9 - West Mesquite (Mesquite)
17.8 - North Side (Fort Worth)
17.7 - Cedar Hill (Cedar Hill)
17.6 - South Hills (Fort Worth)
17.4 - Gilliam Collegiate (Dallas)
17.3 - Grand Prairie (Grand Prairie)
17.3 - Hillcrest (Dallas)
17.3 - Sam Houston (Arlington)
17.1 - South Garland (Garland)
16.8 - Lancaster (Lancaster)
16.7 - WT White (Dallas)
16.6 - Desoto (Desoto)
16.6 - Macarthur (Irving)
16.5 - A. Maceo Smith (Dallas)
15.8 - Skyline (Dallas)
15.6 - Kimball (Dallas)
15.5 - Eastern Hills (Fort Worth)
15.5 - Madison (Dallas)
15.5 - Polytechnic (Fort Worth)
15.4 - Diamond Hill-Jarvis (Fort Worth)
15.4 - Seagoville (Dallas)
15.3 - Thomas Jefferson (Dallas)
15.2 - Carter (Dallas)
15.2 - Dunbar (Fort Worth)
15.2 - Wilmer-Hutchins (Dallas)
15.1 - OD Wyatt (Fort Worth)
14.8 - Adamson (Dallas)
14.8 - Conrad (Dallas)
14.8 - Molina (Dallas)
14.6 - North Dallas (Dallas)
14.6 - Sunset (Dallas)
14.5 - Bryan Adams (Dallas)
14.4 - Spruce (Dallas)
13.7 - South Oak Cliff (Dallas)
13.5 - Roosevelt (Dallas)
13.5 - Samuell (Dallas)
13.1 - Lincoln Humanities (Dallas)
13.1 - Pinkston (Dallas)
Source: Texas Education Agency website